Carboxylated amide polymers and coating compositions containing

Details Carboxylated amide polymers and coating compositions containing Carboxylated amide polymers and coating compositions containing

1978-11-02

1979-11-13

Nielsen, Earl A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 293, 260 294R, 528 45, 528 73, 528 97, 528101, 528113, 528335, 528341, 525510, 525514, 525533, C08G 5914, C08L 6300

Patent

active

041743334

ABSTRACT:
Carboxylated amide polymers and coating compositions containing same are especially useful for the coating of food and beverage containers. The carboxylated amide polymers are the reaction product of (1) a compound of formula: ##STR1## wherein A is the organic residue resulting from a ring opening reaction of a 1,2-epoxy group on a polyepoxide with ammonia or amine, R.sub.1 is hydrogen or a C.sub.1-4 alkyl group, R.sub.2 is a C.sub.2-12 alkylene group, x is 0 or 1, y is from 0 to 4, R.sub.3 is hydrogen or a C.sub.1-6 alkyl group, R.sub.4 is hydrogen or a C.sub.1-6 alkyl group, provided at least one R.sub.1, R.sub.3 or R.sub.4 is hydrogen, and n is at least 1.0 with (2) a cyclic anhydride of a dibasic carboxylic acid. The carboxylated amide polymers can be made water reducible by neutralizing the polymer with an organic or inorganic base and used in aqueous coating compositions.

REFERENCES:
patent: 3360486 (1967-12-01), Garnish
patent: 3639657 (1972-02-01), Moran et al.
patent: 3678127 (1972-07-01), Schmid et al.
patent: 3962165 (1976-06-01), Bosso et al.
patent: 4081492 (1978-03-01), Traenckner et al.
patent: 4134864 (1979-01-01), Belanger
patent: 4139510 (1979-02-01), Anderson

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